CVE-2014-2897
9.8
CRITICAL · CVSS 3.1 · EPSS 2.8% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.77% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-01-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| wolfssl | wolfssl |
References
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
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